Postmenopausal hormone therapy exceeding ten years may protect from dementia

Postmenopausal estrogen-based hormone therapy lasting longer than ten years was associated with a decreased risk of Alzheimer’s disease in a large study carried out at the University of Eastern Finland. “The protective effect of hormone therapy may depend on its timing: it may have cognitive benefits if initiated at the time of menopause when neurons are still healthy and responsive,” says Bushra Imtiaz, MD, MPH, who presented the results in her doctoral thesis. The study explored the association between postmenopausal hormone replacement therapy, Alzheimer’s disease, dementia and